<template>
    <div class="demo-collapse">
      <el-collapse v-model="activeName" accordion>
        <el-collapse-item title="Consistency" name="1">
          <div>
            Consistent with real life: in line with the process and logic of real
            life, and comply with languages and habits that the users are used to;
          </div>
          <div>
            Consistent within interface: all elements should be consistent, such
            as: design style, icons and texts, position of elements, etc.
          </div>
        </el-collapse-item>
        <el-collapse-item title="Feedback" name="2">
          <div>
            Operation feedback: enable the users to clearly perceive their
            operations by style updates and interactive effects;
          </div>
          <div>
            Visual feedback: reflect current state by updating or rearranging
            elements of the page.
          </div>
        </el-collapse-item>
        <el-collapse-item title="Efficiency" name="3">
          <div>
            Simplify the process: keep operating process simple and intuitive;
          </div>
          <div>
            Definite and clear: enunciate your intentions clearly so that the
            users can quickly understand and make decisions;
          </div>
          <div>
            Easy to identify: the interface should be straightforward, which helps
            the users to identify and frees them from memorizing and recalling.
          </div>
        </el-collapse-item>
        <el-collapse-item title="Controllability" name="4">
          <div>
            Decision making: giving advices about operations is acceptable, but do
            not make decisions for the users;
          </div>
          <div>
            Controlled consequences: users should be granted the freedom to
            operate, including canceling, aborting or terminating current
            operation.
          </div>
        </el-collapse-item>
        <el-collapse-item v-for="item in items" :key="item.id" :title="item.title" :name="item.id">
          <div>
            {{ item.content}}
          </div>
        </el-collapse-item>
      </el-collapse>
    </div>
</template>
  
<script>
import { ref } from 'vue'
export default {
    name: 'AnnounceView',
    data(){
        return{
            activeName,
            items:[
                {id: 'a4554', title: '水价调涨', content:'涨0.5元'},
                {id: 'a4564', title: '电价调涨', content:'涨0.5元'},
                {id: 'a4574', title: '水电价调涨', content:'涨0.5元'},


            ]
        }
    },
    components:{
    }
}
const activeName = ref('0')
</script>
  